Did you know that you can use the new electrical heart sensor in Apple Watch Series 4 to improve your regular heart rate readings, even if you’re not at least 22 years old and don’t live in the United States?

Quiet notifications in watchOS get sent straight to your Notification Center without lighting up the display, sounding an alert or buzzing your wrist. Here’s how you can manage Apple Watch notifications with Instant Tuning and have them delivered quietly so you don’t get inundated with boring alerts for things that don’t interest you.

A handy notification icon—a little red dot at the top of your watch face—appears every time you get a new notification. Do you find it a bit distracting? If so, follow the steps laid out in this tutorial to hide the notification icon so it no longer appears when you have unread notifications.

One of the many ways you can boost your privacy entails preventing the full notification from appearing unless it’s specifically tapped. iDB shows you how to keep notifications on your Apple Watch private.

Apple Watch Series 4 can detect hard falls and if required, initiate a call to emergency services and alert your emergency contacts. Off by default, it turns on automatically if you’re 65+ years old. In this step-by-step tutorial, you will learn how to enable, set up and use this potentially life-saving feature.